| .PIF | Microsoft Corporation | Pliki wykonywalne | Program Information File | Microsoft Windows | Microsoft Corporation |
| .PKGLIST | Pepper Computer | Pliki wykonywalne | Pepper Keeper Package Installation File | Pepper Keeper | Pepper Computer |
| .PLSC | Microsoft Corporation | Pliki wykonywalne | Messenger Plus! Live Script File | Microsoft Windows Live Messenger | Microsoft Corporation |
| .PLX | ActiveState | Pliki wykonywalne | Perl Executable File | BBEdit | Bare Bones Software |
| .PRC | Adobe Systems Incorporated | Pliki wykonywalne | Product Representation Compact File | Adobe Acrobat DC | Adobe Systems Incorporated |
| .PRG | Open Source | Pliki wykonywalne | Program File | Notepad++ | Don Ho |
| .PRX | Microsoft Corporation | Pliki wykonywalne | FoxPro Compiled Program | Microsoft Visual FoxPro | Microsoft Corporation |
| .PVA | Hauppauge Computer Works | Pliki wykonywalne | Hauppauge DVB-Software File | Hauppauge DVB-Software | Hauppauge Computer Works |
| .PVD | Varden Development | Pliki wykonywalne | Polygen3D Vector Descriptor | Polygen3D | Varden Development |
| .PWC | LANovation | Pliki wykonywalne | PictureTaker File | LANovation PictureTaker | LANovation |
| .PYC | Python Software Foundation | Pliki wykonywalne | Python Compiled File | Python | Python Software Foundation |
| .PYO | Python Software Foundation | Pliki wykonywalne | Python Optimized Code | Python | Python Software Foundation |
| .QDE | Microsoft Corporation | Pliki wykonywalne | QDOS Executable | MS-DOS | Microsoft Corporation |
| .QPX | Microsoft Corporation | Pliki wykonywalne | FoxPro Compiled Query Program | Microsoft Visual FoxPro | Microsoft Corporation |
| .RBX | IBM | Pliki wykonywalne | Rembo-C Compiled Script | Rembo Toolkit | Open Source |
| .RGS | Microsoft Corporation | Pliki wykonywalne | Registry Script | Microsoft Visual Studio | Microsoft Corporation |
| .ROB | WinTask | Pliki wykonywalne | WinTask Compiled Executable | WinTask | WinTask |
| .ROX | Sonic Solutions | Pliki wykonywalne | Roxio Project File | Roxio Creator NXT Pro 6 | Roxio |
| .RPJ | Uni Comp | Pliki wykonywalne | Real Pac Batch Job File | Real Pac | Uni Comp |
| .RTL | Hewlett-Packard | Pliki wykonywalne | Raster Transfer Language File | SwiftView | SwiftView, Inc. |
| .RUN | Open Source | Pliki wykonywalne | Linux Executable File | Linux | Open Source |
| .RXE | The LEGO Group | Pliki wykonywalne | Lego Mindstorms NXT Executable Program | LEGO MINDSTORMS NXT | The LEGO Group |
| .SB4 | Lindersoft | Pliki wykonywalne | SetupBuilder Installation Project | SetupBuilder | Lindersoft |
| .SBS | Allegorithmic | Pliki wykonywalne | Substance Package | Substance Designer | Allegorithmic |
| .SCA | Symantec Corporation | Pliki wykonywalne | Norton AntiVirus Scan File | Norton Antivirus | Symantec Corporation |
| .SCAR | Interscape | Pliki wykonywalne | SCAR Script File | SCAR | Interscape |
| .SCB | Scala | Pliki wykonywalne | Scala Published Script | Scala Designer | Scala |
| .SCPT | Apple | Pliki wykonywalne | AppleScript Script File | MacroMates TextMate | MacroMates |
| .SCR | Microsoft Corporation | Pliki wykonywalne | Windows Screensaver File | Microsoft Windows | Microsoft Corporation |
| .SCRIPT | Unknown Developer | Pliki wykonywalne | Generic Script File | LibreOffice | The Document Foundation |
| .SCT | Scitex | Pliki wykonywalne | Scitex Continuous Tone File | Adobe Photoshop | Adobe Systems Incorporated |
| .SEED | Open Source | Pliki wykonywalne | Linux Preseed File | Ubuntu | Open Source |
| .SFL | Magix Software GmbH | Pliki wykonywalne | Sound Forge Pro Sound Data File | MAGIX Vegas | Magix Software GmbH |
| .SHB | Microsoft Corporation | Pliki wykonywalne | Windows Document Shortcut | Microsoft Windows | Microsoft Corporation |
| .SMM | Samsung Electronics | Pliki wykonywalne | Samsung Memo File | Samsung Kies | Samsung Electronics |
| .SOM | Corel | Pliki wykonywalne | Corel Paradox Sort Information | Corel Paradox | Corel |
| .SPR | Valve | Pliki wykonywalne | Half-Life Sprite File | Half-Life | Valve |
| .SW0 | National Instruments | Pliki wykonywalne | SPICE Sweep Operations Output Data | Spice | National Instruments |
| .SXX | SAS Institute Inc. | Pliki wykonywalne | SAS Stat Studio Module Executable | SAS | SAS Institute Inc. |
| .THM | Sony | Pliki wykonywalne | Sony Ericsson Mobile Phone Theme File | Sony Ericsson Theme Creator | Sony Mobile Communications |
| .TMS | Telemate | Pliki wykonywalne | Telemate Script | Telemate | Telemate |
| .TZX | Kromasoft | Pliki wykonywalne | Tanzzle Graphic Object File | Tanzzle Game | Kromasoft |
| .U3P | SanDisk Corporation | Pliki wykonywalne | U3 Platform Install Data File | WinZip | Corel |
| .U4A | Unknown Developer | Pliki wykonywalne | UnInstaller Archive File | Unknown Software | Unknown Developer |
| .UDF | Open Source | Pliki wykonywalne | Universal Disk Format Image File | 7-Zip | Igor Pavlov |
| .VBE | Microsoft Corporation | Pliki wykonywalne | VBScript Encoded Script File | Microsoft Visual Studio | Microsoft Corporation |
| .VBS | Microsoft Corporation | Pliki wykonywalne | VBScript File | Microsoft Notepad | Microsoft Corporation |
| .VDO | Unknown Developer | Pliki wykonywalne | Heathen Virus File | Unknown Software | Unknown Developer |
| .VLX | Autodesk, Inc. | Pliki wykonywalne | Compiled AutoLISP File | Autodesk AutoCAD Ecscad | Autodesk, Inc. |
| .VPM | Garmin | Pliki wykonywalne | Garmin Voice File | TTSVoiceEditor | Open Source |
| .VXP | Interscape | Pliki wykonywalne | Mobile Application File | Mediatek MRE SDK | MediaTek |
| .WCM | Corel | Pliki wykonywalne | WordPerfect Macro | Corel WordPerfect X8 | Corel |
| .WIDGET | Microsoft Corporation | Pliki wykonywalne | Microsoft Windows Mobile Widget | Microsoft Visual Studio | Microsoft Corporation |
| .WIZ | Microsoft Corporation | Pliki wykonywalne | Microsoft Wizard File | Microsoft Word | Microsoft Corporation |
| .WORKFLOW | Apple | Pliki wykonywalne | Automator Workflow | Apple Automator | Apple |
| .WPK | Corel | Pliki wykonywalne | WordPerfect Macro | Corel WordPerfect X8 | Corel |
| .WS | MicroPro International Corp. | Pliki wykonywalne | WordStar Document | Corel WordPerfect X8 | Corel |
| .WSF | Microsoft Corporation | Pliki wykonywalne | Windows Script File | Notepad++ | Don Ho |
| .WSH | Microsoft Corporation | Pliki wykonywalne | Windows Script Host Settings File | Microsoft Notepad | Microsoft Corporation |
| .XAP | Microsoft Corporation | Pliki wykonywalne | XACT Project | Microsoft XACT | Microsoft Corporation |
| .XBAP | Microsoft Corporation | Pliki wykonywalne | XAML Browser Application File | Microsoft Visual Studio | Microsoft Corporation |
| .XLM | Microsoft Corporation | Pliki wykonywalne | Excel Macro | Microsoft Excel | Microsoft Corporation |
| .XQT | CA Technologies | Pliki wykonywalne | SuperCalc Macro File | SuperCalc | CA Technologies |
| .XYS | Donald Lessau | Pliki wykonywalne | XYplorer Script File | XYplorer | Donald Lessau |
| .ZL9 | ZoneAlarm | Pliki wykonywalne | ZoneAlarm Quarantined EXE File | ZoneAlarm Antivirus | Check Point Software Technologies Ltd. |
| .ZPKG | Zyxel Communications | Pliki wykonywalne | Zyxel NSA-32x Application Package | Unknown Software | Unknown Developer |
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